# Definition:Positive Definite

Jump to navigation
Jump to search

## Disambiguation

This page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.

**Positive Definite** may refer to:

- Abstract Algebra:
- Positive Definite Function on Ring: $\forall x \in R: \begin {cases} \map f x = 0 & : x = 0_R \\ \map f x > 0 & : x \ne 0_R \end {cases}$

- Matrix Theory:
- Positive Definite Matrix: a symmetric matrix whose eigenvalues are all strictly positive.